Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2021 7 22.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(TERRA) TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/22/2021   10:17:01   ( -70.05,-154.61) 07/22/2021   10:18:08  ( -70.04,-154.55)    2.24                67
 07/22/2021   11:07:44   (  69.93,  12.89) 07/22/2021   11:07:35  (  69.94,  12.95)    2.68                 9
 07/22/2021   11:58:21   ( -69.57,-179.27) 07/22/2021   11:57:08  ( -69.65,-179.80)   22.50                73
 07/25/2021   02:33:21   ( -70.17, -38.86) 07/25/2021   02:34:32  ( -70.15, -38.52)   13.25                71
 07/25/2021   03:24:02   (  69.95, 128.79) 07/25/2021   03:24:01  (  69.93, 128.82)    2.79                 1
 07/25/2021   04:14:43   ( -69.81, -63.67) 07/25/2021   04:13:31  ( -69.82, -63.70)    1.47                72
 07/27/2021   18:49:45   ( -70.46,  76.63) 07/27/2021   18:50:55  ( -70.36,  77.66)   40.32                70
 07/27/2021   19:40:21   (  69.98,-115.31) 07/27/2021   19:40:27  (  69.98,-115.24)    3.07                 6
 07/27/2021   20:31:02   ( -69.83,  52.23) 07/27/2021   20:29:58  ( -69.81,  52.17)    3.40                64
 07/30/2021   11:06:09   ( -70.75,-167.90) 07/30/2021   11:07:17  ( -70.62,-166.07)   68.83                68
 07/30/2021   11:56:39   (  69.96,   0.66) 07/30/2021   11:56:54  (  69.96,   0.62)    1.45                15
 07/30/2021   12:47:21   ( -69.86, 168.13) 07/30/2021   12:46:24  ( -69.86, 168.11)    1.08                57
 08/02/2021   03:22:32   ( -70.99, -52.36) 08/02/2021   03:23:38  ( -70.93, -49.72)   95.94                66
 08/02/2021   04:12:58   (  70.00, 116.55) 08/02/2021   04:13:20  (  70.00, 116.55)    0.54                22
 08/02/2021   05:03:40   ( -69.89, -75.97) 08/02/2021   05:02:50  ( -69.90, -75.96)    0.65                50
 08/04/2021   20:29:16   (  70.03,-127.56) 08/04/2021   20:29:45  (  70.03,-127.52)    1.36                29
 08/04/2021   21:19:58   ( -69.93,  39.92) 08/04/2021   21:19:15  ( -69.93,  39.97)    1.88                43